mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-08-19 10:22:23 +00:00
82 lines
2.7 KiB
Go
82 lines
2.7 KiB
Go
package core
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import (
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"errors"
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"math/big"
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"strings"
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)
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type AcceptAccountData struct {
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ValidAfter *big.Int
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ValidUntil *big.Int
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}
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type AcceptPaymasterData struct {
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ValidAfter *big.Int
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ValidUntil *big.Int
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Context []byte
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}
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func abiEncodeValidateTransaction(tx *types.Rip7560AccountAbstractionTx, signingHash common.Hash) ([]byte, error) {
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jsonAbi, err := abi.JSON(strings.NewReader(ValidateTransactionAbi))
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if err != nil {
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return nil, err
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}
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txAbiEncoding, err := tx.AbiEncode()
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validateTransactionData, err := jsonAbi.Pack("validateTransaction", big.NewInt(0), signingHash, txAbiEncoding)
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return validateTransactionData, err
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}
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func abiEncodeValidatePaymasterTransaction(tx *types.Rip7560AccountAbstractionTx, signingHash common.Hash) ([]byte, error) {
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jsonAbi, err := abi.JSON(strings.NewReader(ValidatePaymasterTransactionAbi))
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txAbiEncoding, err := tx.AbiEncode()
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data, err := jsonAbi.Pack("validatePaymasterTransaction", big.NewInt(0), signingHash, txAbiEncoding)
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return data, err
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}
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func abiEncodePostPaymasterTransaction(context []byte) ([]byte, error) {
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jsonAbi, err := abi.JSON(strings.NewReader(PostPaymasterTransactionAbi))
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if err != nil {
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return nil, err
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}
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postOpData, err := jsonAbi.Pack("postPaymasterTransaction", true, big.NewInt(0), context)
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return postOpData, err
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}
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func abiDecodeAcceptAccount(input []byte) (*AcceptAccountData, error) {
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jsonAbi, err := abi.JSON(strings.NewReader(AcceptAccountAbi))
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if err != nil {
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return nil, err
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}
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methodSelector := new(big.Int).SetBytes(input[:4]).Uint64()
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if methodSelector != AcceptAccountMethodSig {
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if methodSelector == SigFailAccountMethodSig {
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return nil, errors.New("account signature error")
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}
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return nil, errors.New("account did not return correct MAGIC_VALUE")
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}
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acceptAccountData := &AcceptAccountData{}
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err = jsonAbi.UnpackIntoInterface(acceptAccountData, "acceptAccount", input[4:])
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return acceptAccountData, err
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}
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func abiDecodeAcceptPaymaster(input []byte) (*AcceptPaymasterData, error) {
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jsonAbi, err := abi.JSON(strings.NewReader(AcceptPaymasterAbi))
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if err != nil {
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return nil, err
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}
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methodSelector := new(big.Int).SetBytes(input[:4]).Uint64()
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if methodSelector != AcceptPaymasterMethodSig {
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return nil, errors.New("paymaster did not return correct MAGIC_VALUE")
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}
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acceptPaymasterData := &AcceptPaymasterData{}
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err = jsonAbi.UnpackIntoInterface(acceptPaymasterData, "acceptPaymaster", input[4:])
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if len(acceptPaymasterData.Context) > PaymasterMaxContextSize {
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return nil, errors.New("paymaster return data: context too large")
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}
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return acceptPaymasterData, err
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}
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